Geography-Coasts and Rivers key terms 0.0 / 5 ? GeographyCoastal zonesGCSEOCR Created by: believeinbelleveCreated on: 10-01-17 09:40 Interception Leaves on trees intercept and catch rain water as it falls 1 of 26 Infiltration Movement of water into the soil from the surface 2 of 26 Water table The level of water in the ground/soil (because of saturation) 3 of 26 Percolation Movement of water into rocks below the surface 4 of 26 Saturation When soil is full of moisture 5 of 26 Groundwater storage Water stored in rocks underground 6 of 26 Transpiration Vegetation loses water to the atmosphere through leaves 7 of 26 Stem flow Water running down stems and branches 8 of 26 Leaf drip Water dripping from the canopy 9 of 26 Evaporation Water turns from a liquid to a gas and rises into the atmosohere 10 of 26 Throughflow Movement of water through the soil 11 of 26 Channel flow Water flowing in rivers to the sea 12 of 26 Groundwater flow Movement of water through rocks underground 13 of 26 Relief Height and shape of the land 14 of 26 Discharge (") Volume of water in cubic meters per second 15 of 26 Rising limb (") As water joins the river, discharge increases 16 of 26 Falling limb (") River discharge eventually decreases 17 of 26 Lag time (") The time lapse between peak rainfall and peak discharge 18 of 26 Base flow (") The usual or expected volume of water 19 of 26 Peak rainfall (") When rainfall is heaviest 20 of 26 Peak flow/peak discharge (") When river flow is greatest 21 of 26 Hard engineering When structure are BUILT to defend places from a hazard e.g. flood water 22 of 26 Soft engineering Involves adapting to risks, often working with nature 23 of 26 Weathering The break down of rock "in situ" (on site) by chemical and biological weathering 24 of 26 Mass movement The downslope movement of weathered material due to gravity 25 of 26 Managed Retreat This is not really protection of the coast, but an alternative way of dealing with the problems of erosion or flooding 26 of 26
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